Founded in 1949, Medtronic is a global leader in medical device technology with the goal of alleviating pain, restoring health, and extending life for millions of people around the world.


Develop a novel solution enabling Medtronic field staff to communicate the revolutionary features of their microscopic coronary devices.


A clip-on accessory that magnifies a mobile phone’s camera view of a Medtronic implantable device by creating a custom 3D-printed microscope, using LS Nylon 12, finished using our automated smoothing process and dyed Medtronic blue.


  • Durable
  • Functional
  • Production Quality Finish
  • Cost Efficient
Size:                                 50 x 50 x 22 mm
Volume:                            12.5 cm³
Surface Requirements:    Smooth & Dye
Color:                               Blue
Initial Quantity:                 650

Medtronic, one of the world’s largest medical technology device companies, approached Midwest Prototyping (MWP) with a challenge.  They needed a way to show their customers some extremely small products, devices inserted into cardiac veins of heart-failure patients.  The solution had to be practical, functional, cost-effective, with a production quality finish.

Working in collaboration with MWP’s Additive Manufacturing Experts, they developed a simple clip-on mobile phone accessory with an affixed magnifying lens and clear mock blood vessel.  An actual Medtronic cardiovascular device is inserted into the clear vessel. It then can be viewed at a microscopic level on the mobile phone’s screen, enabling the doctors who will be placing these tiny devices into patients to visualize the product’s features and understand its functionality easily.

“Being able to demonstrate product features to doctors, in their offices, with our mobile microscope clip has been extremely helpful for increasing product adoption” – Bri Sagehorn, Associate Product Manager, Medtronic.

Taking advantage of MWP’s automated smoothing process developed on the AMT PostPro3D platform, along with color dye capabilities, the team was able to produce a consumer-grade finished product.  Using on-demand 3D printing, Medtronic can order precisely the number of units to meet their needs- helping their team inform and educate while building revenue and trust.

“Midwest Prototyping was able to economically offer a great material for this application, combined with post-processing of the surface finish and the dyeing  process, that made the sourcing of this job a very easy decision for us.” – Scott Tuominen, Sr. Prin. Design Tech., Medtronic CRHF.

Download the PDF version here.

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